# General Purpose Hierarchical Data Structure

## Documentation for package ‘data.tree’ version 0.7.5

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

data.tree-package | data.tree: Hierarchical Data Structures
acme | Sample Data: A Simple Company with Departments
Aggregate | Aggregate child values of a 'Node', recursively.
AreNamesUnique | Test whether all node names are unique.
as.data.frame.Node | Convert a 'data.tree' structure to a 'data.frame'
as.dendrogram.Node | Convert a 'Node' to a 'dendrogram'
as.igraph.Node | Convert a 'data.tree' structure to an igraph network
as.list.Node | Convert a 'data.tree' structure to a list-of-list structure
as.Node | Convert an object to a 'data.tree' data structure
as.Node.BinaryTree | Convert a a 'SplitNode' from the party package to a 'data.tree' structure.
as.Node.data.frame | Convert a 'data.frame' to a 'data.tree' structure
as.Node.dendrogram | Convert a 'dendrogram' to a data.tree 'Node'
as.Node.list | Convert a nested 'list' structure to a 'data.tree' structure
as.Node.party | Convert a a 'party' from the partykit package to a 'data.tree' structure.
as.Node.phylo | Convert a 'phylo' object from the ape package to a 'Node'
as.phylo.Node | Convert a 'Node' to a phylo object from the ape package.
averageBranchingFactor | Calculate the average number of branches each non-leaf has
CheckNameReservedWord | Checks whether 'name' is a reserved word, as defined in 'NODE_RESERVED_NAMES_CONST'.
Climb | Climb a tree from parent to children, by provided criteria.
Clone | Clone a tree (creates a deep copy)
CreateRandomTree | Create a tree for demo and testing
CreateRegularTree | Create a tree for demo and testing
Cumulate | Cumulate values among siblings
data.tree | data.tree: Hierarchical Data Structures
DefaultPlotHeight | Calculates the height of a 'Node' given the height of the root.
Distance | Find the distance between two nodes of the same tree
Do | Executes a function on a set of nodes
FindNode | Find a node by name in the (sub-)tree
FormatFixedDecimal | Format a Number as a Decimal
FormatPercent | Format a Number as a Percentage
FromDataFrameNetwork | Convert a 'data.frame' to a 'data.tree' structure
FromDataFrameTable | Convert a 'data.frame' to a 'data.tree' structure
FromListExplicit | Convert a nested 'list' structure to a 'data.tree' structure
FromListSimple | Convert a nested 'list' structure to a 'data.tree' structure
Get | Traverse a Tree and Collect Values
GetAttribute | Get an attribute from a Node.
GetDefaultTooltip | Plot a graph, or get a graphviz dot representation of the tree
GetPhyloNr | Determine the number a 'Node' has after conversion to a phylo object
isLeaf | Check if a 'Node' is a leaf
isNotLeaf | Check if a 'Node' is not a leaf
isNotRoot | Check if a 'Node' is not a root
isRoot | Check if a 'Node' is the root
mushroom | Sample Data: Data Used by the ID3 Vignette
Navigate | Navigate to another node by relative path.
Node | Create a 'data.tree' Structure With 'Nodes'
NODE_RESERVED_NAMES_CONST | Names that are reserved by the Node class.
plot.Node | Plot a graph, or get a graphviz dot representation of the tree
print.Node | Print a 'Node' in a human-readable fashion.
Prune | Prunes a tree.
Revert | Reverts the sort order of a 'Node"s children.
Set | Traverse a Tree and Assign Values
SetEdgeStyle | Plot a graph, or get a graphviz dot representation of the tree
SetFormat | Set a formatter function on a specific node
SetGraphStyle | Plot a graph, or get a graphviz dot representation of the tree
SetNodeStyle | Plot a graph, or get a graphviz dot representation of the tree
Sort | Sort children of a 'Node' or an entire 'data.tree' structure
ToDataFrameNetwork | Convert a 'data.tree' structure to a 'data.frame'
ToDataFrameTable | Convert a 'data.tree' structure to a 'data.frame'
ToDataFrameTree | Convert a 'data.tree' structure to a 'data.frame'
ToDataFrameTypeCol | Convert a 'data.tree' structure to a 'data.frame'
ToDiagrammeRGraph | Plot a graph, or get a graphviz dot representation of the tree
ToListExplicit | Convert a 'data.tree' structure to a list-of-list structure
ToListSimple | Convert a 'data.tree' structure to a list-of-list structure
ToNewick | Write a 'data.tree' structure to Newick notation
Traverse | Traverse a tree or a sub-tree